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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to read the input status of coils on a slave device ?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will typically contain a high level of encryption andsecurity
Which of the answers below best reflects a guided medium?
With any GUI, there are opportunities to use gathered data visually. Which of the methods below would be best described as one that would allow an operator to retrieve and plot data over an extended time frame?
There are an assortment of numbers on the typical protocol header. Which of the answers below denotes the header number that identifies the systems application/service for receiving or transmitting data?
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameter above the URV?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves input register # 30009?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
Which of the answers below best reflects an unguided medium?
Which of the terms below best reflects the effect of a radio waves trajectory when moving through mediums with different densities?
Which of the answers below best represents the recommended standard that uses a UART chip?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the conditions resulting in a cataclysmic loss or event?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to design the GUI, including configuring tags and introducing specialized scripting?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the maintenance and configuration of the control system?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
Ethernet network components provide several ISO layers of transmission control. Which of the network components below has transmission controls only on the ISO physical and data link layers?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
Voltage to voltage converters are best defined as which of the answers below?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with analog values that require a significant degree of accuracy?
In the unbalanced signal transmission system, which answer best represents the number 4?
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the operators access the various HMI subsystems to interact with a process control system?